TM 1-1520-238-23
9-81
9.22.
DC BUS TIE TERMINAL JUNCTION BOX REPLACEMENT – continued
9.22.6. Installation
a. Install new box (2) on conductor (3). Torque
two nuts (5) to 22 INCH-POUNDS.
(1) Apply silicone compound between junction
box (2) and conductor assembly (3). Use
silicone compound (item 185, App F).
(2) Aline holes of box (2) and conductor (3).
(3) Install two screws (4) through two insulators
(6), conductor (3), and box (2).
(4) Install two nuts (5). Torque two nuts (5) to 22
INCH-POUNDS. Use torque wrench.
(5) Wait 20 to 30 MINUTES.
(6) Retorque two nuts (5) to 22 INCH-POUNDS.
Use torque wrench.
b. Pin identified wires (1) in junction box (2)
(TM 55-1500-323-24).
c. Perform
electrical
bond
check
(TM 55-1500-323-24).
(1) Bond shall be 0.0025 OHM or less. Use ohm-
meter.
d. Inspect (QA).
e. Install DC bus tie conductor (para 9.21).
f. Install electrical power distribution box cover
(para 9.9).
g. Perform DC power generation maintenance
operational check (TM 1-1520-238-T).
END OF TASK
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M04-3379-3
